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What are two factors affecting the thickness of muscles fiber?
Two factors affecting muscle fiber thickness are genetics and the type of training or exercise performed. Genetics play a role in determining the natural thickness of muscle fibers, while specific training regimens that target muscle hypertrophy can increase muscle fiber thickness over time.
What two structures approach each other at a neuromuscular junction?
At a neuromuscular junction, the motor neuron terminal and the muscle fiber membrane (sarcolemma) approach each other. The motor neuron releases the neurotransmitter acetylcholine, which binds to receptors on the muscle fiber membrane, initiating muscle contraction.
Fibre contains energy. explain why this energy can not be used by the human body?
The energy in fiber comes from bonds that humans lack the enzymes to break down. Therefore, the energy in fiber cannot be fully absorbed or used by the human body for fuel. Instead, fiber helps with digestion and provides other health benefits.
Why can humans not use the energy from fiber?
Humans lack the necessary enzymes to fully break down fiber in the digestive system, so the energy from fiber cannot be readily absorbed or used by the body. Instead, fiber provides bulk to help with digestion and promotes overall digestive health.
What type of feedstuff is high in energy and low on fiber?
Grains and oilseeds are high in energy and low in fiber. Examples include corn, soybeans, and barley. These feedstuffs are commonly used to provide energy to livestock and poultry.
The energy source that is directly responsible for muscle fiber contraction is?
ATP
What type of muscle is rich in ATP?
Skeletal muscle is rich in ATP as it is the primary energy source for muscle contraction and movement. Skeletal muscle has high energy demands and relies on ATP for fuel during exercise and physical activity.
Does fiber have sugar and provides quick energy?
Fiber is made of glucose molecules arranged into a starch(cellulose), so they are not a quick source of energy. Humans have difficulty digesting fiber.
What are all muscle cells called?
A single muscle cell is called a muscle fiber.
What is the primary energy source for most animals carbohydrates or proteins or fiber or fats?
Carbohydrates
Each muscle fiber is also called a?
Each muscle fiber is also called a myofiber.
What is the Smaller fiber in a muscle fiber?
Myofibril
Exercise can do what?
make more muscle fiber
What is the term for a Smaller fiber in a muscle fiber?
The smaller fiber in a muscle fiber is called a myofibril. A band of tissue that connects bone to bone is called a ligament.
What is a single muscle called?
a muscle fiber
What is the basic unit of muscle?
muscle fiber
What is the part of the muscle fiber that allows the fiber to contract?
The sacromere with the proteins actin and myosin allow the muscle cell (fiber) to contract.
